Ключевые слова: abstract, background, basket, blackboard, business, buy, carrying, cart, chalk, chalkboard, checkout, choice, choose, close, commerce, computer, concept, container, cross, decice, detriment, e, economics, electron, electronic, finance, global, graphic, icon, information, internet, market, modern, monitor, mouse, net, network, notebook, on line, pay, pc, pick, portable, reboot, restart, retail, screen, select, sell, shop, sign, standby, store, super, symbol, technique, technology, television, tick, tv, window,